23447272405 has 8 divisors (see below), whose sum is σ = 28897179192. Its totient is φ = 18250849728.

The previous prime is 23447272399. The next prime is 23447272417. The reversal of 23447272405 is 50427274432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6474133444 + 16973138961 = 80462^2 + 130281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23447272405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63370822 + ... + 63371191.

It is an arithmetic number, because the mean of its divisors is an integer number (3612147399).

Almost surely, 2^23447272405 is an apocalyptic number.

It is an amenable number.

23447272405 is a deficient number, since it is larger than the sum of its proper divisors (5449906787).

23447272405 is a wasteful number, since it uses less digits than its factorization.

23447272405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126742055.

The product of its (nonzero) digits is 376320, while the sum is 40.

The spelling of 23447272405 in words is "twenty-three billion, four hundred forty-seven million, two hundred seventy-two thousand, four hundred five".